162306a36Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 262306a36Sopenharmony_ci%YAML 1.2 362306a36Sopenharmony_ci--- 462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/mailbox/st,sti-mailbox.yaml# 562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 662306a36Sopenharmony_ci 762306a36Sopenharmony_cititle: STMicroelectronics Mailbox Driver for STi platform 862306a36Sopenharmony_ci 962306a36Sopenharmony_cidescription: 1062306a36Sopenharmony_ci Each ST Mailbox IP currently consists of 4 instances of 32 channels. 1162306a36Sopenharmony_ci Messages are passed between Application and Remote processors using 1262306a36Sopenharmony_ci shared memory. 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_cimaintainers: 1562306a36Sopenharmony_ci - Patrice Chotard <patrice.chotard@foss.st.com> 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ciproperties: 1862306a36Sopenharmony_ci compatible: 1962306a36Sopenharmony_ci const: st,stih407-mailbox 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci reg: 2262306a36Sopenharmony_ci maxItems: 1 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci mbox-name: 2562306a36Sopenharmony_ci $ref: /schemas/types.yaml#/definitions/string 2662306a36Sopenharmony_ci description: name of the mailbox IP 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci interrupts: 2962306a36Sopenharmony_ci description: the irq line for the RX mailbox 3062306a36Sopenharmony_ci maxItems: 1 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci "#mbox-cells": 3362306a36Sopenharmony_ci const: 2 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_cirequired: 3662306a36Sopenharmony_ci - compatible 3762306a36Sopenharmony_ci - reg 3862306a36Sopenharmony_ci - "#mbox-cells" 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ciadditionalProperties: false 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ciexamples: 4362306a36Sopenharmony_ci - | 4462306a36Sopenharmony_ci #include <dt-bindings/interrupt-controller/arm-gic.h> 4562306a36Sopenharmony_ci mailbox0: mailbox@8f00000 { 4662306a36Sopenharmony_ci compatible = "st,stih407-mailbox"; 4762306a36Sopenharmony_ci reg = <0x8f00000 0x1000>; 4862306a36Sopenharmony_ci interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>; 4962306a36Sopenharmony_ci #mbox-cells = <2>; 5062306a36Sopenharmony_ci mbox-name = "a9"; 5162306a36Sopenharmony_ci }; 5262306a36Sopenharmony_ci 5362306a36Sopenharmony_ci... 54